If it is expected that some information may have a significant impact on the rights and interests of fund share holders or the price of fund shares, then the information is significant and the related events are significant. The information disclosure obligor shall prepare and disclose an interim report within 2 days from the date of major events. Major events of the Fund may include: convening a meeting of fund share holders, terminating the fund contract ahead of schedule, extending the term of the fund contract, changing the fund operation mode, changing the fund manager or custodian, changing the chairman, general manager and other senior management personnel of the fund manager, the head of the fund custodian department (item C is correct), lawsuits involving the fund manager, fund property and fund custody business, and the wrong amount of the net value of the fund shares reaching 0.5 of the net value of the fund shares. Disclosure of deviation information in interim report. When the absolute value of the negative deviation between the shadow pricing and the net asset value of the fund determined by the amortized cost method exceeds 0.25%, the fund manager shall report to the China Securities Regulatory Commission within 2 trading days and fulfill the obligation of information disclosure according to law. (A is correct) So B fits the question.